急性化脓性腮腺炎切开引流，以下哪项操作是正确的（）

A.行眶下神经阻滞麻醉

B.在下颌角上方1.5cm作切口

C.在耳前及下颌支后缘处沿腺小叶方向作切口

D.只切开皮肤、皮下组织即可

E.用血管钳插入腮腺实质的脓腔中引流脓液，注意向不同方向分离，分开各个腺小叶的脓腔

In the past ten years, the ________mountain climber _________ a lot from his own adventurous _______

A．experienced; experienced; experience

B．experience; experienced; experiences

C．experienced; has experienced; experiences

D．experience; has experience; experience